1. did 2. did susan go 3. visited 4. don't help 5. weren't 6. did you design 7. doesn't crash
8. take off 9. did you phone 10 . doesn't drink 11. arrested ( this morning=> quá khứ )
12. went/ is coming 13. has already bought 14. has your team won (so far) 15. did you visit/ stayed
16. have you done( yet ) / finished (ago) 17. is 18 . haven't seen ( since )/ arrived ( last tuesday )
19 . got (last may )/ have had ( có for phía sau) 20. didn't write/ have worked (lately )
21. played ( yesterday ) 22. lean 23. went 24. have just read 25.met (ago )